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authorIdo Schimmel <idosch@nvidia.com>2020-11-17 19:46:58 +0200
committerJakub Kicinski <kuba@kernel.org>2020-11-18 11:51:18 -0800
commitc68e248d538b72a7643496afc99baca15604c38f (patch)
treeb2e14de15fb80eed06d5d123fc5afbe34d912bd6 /drivers
parentmlxsw: spectrum_router: Set ifindex for IPv4 nexthops (diff)
downloadlinux-dev-c68e248d538b72a7643496afc99baca15604c38f.tar.xz
linux-dev-c68e248d538b72a7643496afc99baca15604c38f.zip
mlxsw: spectrum_router: Pass ifindex to mlxsw_sp_ipip_entry_find_by_decap()
The sole caller of the function will soon only have the ifindex available, instead of the pointer itself. Therefore, change the function to take the ifindex as input and have it get the pointer. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index 1ea338786479..89b44dc543a5 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -1353,21 +1353,33 @@ mlxsw_sp_ipip_entry_matches_decap(struct mlxsw_sp *mlxsw_sp,
/* Given decap parameters, find the corresponding IPIP entry. */
static struct mlxsw_sp_ipip_entry *
-mlxsw_sp_ipip_entry_find_by_decap(struct mlxsw_sp *mlxsw_sp,
- const struct net_device *ul_dev,
+mlxsw_sp_ipip_entry_find_by_decap(struct mlxsw_sp *mlxsw_sp, int ul_dev_ifindex,
enum mlxsw_sp_l3proto ul_proto,
union mlxsw_sp_l3addr ul_dip)
{
- struct mlxsw_sp_ipip_entry *ipip_entry;
+ struct mlxsw_sp_ipip_entry *ipip_entry = NULL;
+ struct net_device *ul_dev;
+
+ rcu_read_lock();
+
+ ul_dev = dev_get_by_index_rcu(mlxsw_sp_net(mlxsw_sp), ul_dev_ifindex);
+ if (!ul_dev)
+ goto out_unlock;
list_for_each_entry(ipip_entry, &mlxsw_sp->router->ipip_list,
ipip_list_node)
if (mlxsw_sp_ipip_entry_matches_decap(mlxsw_sp, ul_dev,
ul_proto, ul_dip,
ipip_entry))
- return ipip_entry;
+ goto out_unlock;
+
+ rcu_read_unlock();
return NULL;
+
+out_unlock:
+ rcu_read_unlock();
+ return ipip_entry;
}
static bool mlxsw_sp_netdev_ipip_type(const struct mlxsw_sp *mlxsw_sp,
@@ -4775,8 +4787,8 @@ mlxsw_sp_fib4_entry_type_set(struct mlxsw_sp *mlxsw_sp,
switch (fen_info->type) {
case RTN_LOCAL:
- ipip_entry = mlxsw_sp_ipip_entry_find_by_decap(mlxsw_sp, dev,
- MLXSW_SP_L3_PROTO_IPV4, dip);
+ ipip_entry = mlxsw_sp_ipip_entry_find_by_decap(mlxsw_sp, dev->ifindex,
+ MLXSW_SP_L3_PROTO_IPV4, dip);
if (ipip_entry && ipip_entry->ol_dev->flags & IFF_UP) {
fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_IPIP_DECAP;
return mlxsw_sp_fib_entry_decap_init(mlxsw_sp,